Indigo Sleek Interior Single Pack PU (1K): Durable & Easy-to-Use Finish
For achieving the rugged durability of Polyurethane (PU) without the hassle of mixing hardeners, Indigo Sleek Interior Single Pack PU (1K) is the ideal solution. This is a premium, single-component PU wood finish that air-dries to a tough, resilient film. It offers superior protection against scratches, stains, and moisture compared to traditional Melamine or varnish, making it perfect for occupied homes and DIY projects.
The “1K” (one-component) nature means you can use it straight from the can, offering maximum convenience and zero pot-life wastage. Indigo Sleek Interior Single Pack PU (1K) provides a clear, transparent finish that enhances the natural beauty of wooden furniture while providing lasting durability for high-traffic areas.
Why Choose Indigo Sleek Interior Single Pack PU (1K)?
This product offers the best balance of PU quality and application ease:
- No Mixing Required: Unlike 2K PU systems which require precise mixing with a hardener, this 1K PU is ready to use, reducing wastage and application errors.
- High Durability: Provides a much harder, more protective film against impact and abrasion than conventional wood varnish or shellac.
- Moisture & Stain Resistance: The protective layer safeguards against household spills, making cleanup easy on tabletops and kitchen cabinets.
- Crystal Clarity: Dries to a clear finish that avoids the amber or yellow tint often seen in cheaper oil-based finishes.
Key Features of Indigo Sleek Interior Single Pack PU (1K)
- Type: Single-Component (1K) Polyurethane.
- Usage: Interior wood, plywood, and MDF surfaces.
- Finish: Available in Gloss, Satin, and Matt finishes (depending on variant).
- Thinner: PU Thinner (for cleaning and dilution if needed).
Recommended Application Areas
This easy-to-use PU coating is ideal for:
- DIY Furniture Projects: Refreshing old chairs, tables, and cabinets with a professional-grade finish.
- High-Contact Areas: Desks, railings, and internal doors that require strong resistance to wear.
- Indoor Woodwork: Any interior wood surface where fast drying and low odor are preferred.
Technical Specifications: Indigo Sleek Interior Single Pack PU (1K)
| Feature | Details |
|---|---|
| Type | Single Pack PU (1K) |
| Usage | Interior Woodwork Only |
| Thinner | PU Thinner |
| Dilution (Spraying) | 10-20% Thinner (Approx.) |
| Drying Time | Touch Dry: 25-35 Mins | Recoat: 4-6 Hours |
| Coverage | Approx. 10–12 sq. m/litre/coat |
How to Apply Indigo Sleek Interior Single Pack PU (1K)
Proper surface preparation is key to PU performance:
- Surface Prep: Sand the wood with 180-grit sandpaper, progressing to 320-grit. The surface must be clean and dust-free. If staining, apply WoodTech Wood Stain now and let it dry.
- Sealer Coat: For the best results, apply a coat of NC Sanding Sealer (for speed) or Wood Primer, sand lightly with 400-grit, and wipe clean.
- Dilution: Dilute the Indigo Sleek Interior Single Pack PU (1K) with PU Thinner (approx. 10-20%) if spraying. For brushing, use minimal to no thinner.
- Application: Apply 2-3 coats using a spray gun or high-quality brush, allowing 4-6 hours between coats.
- Final Cure: The film will be hard in 24 hours, but allow 7 days for the final, full PU hardness. Find expert tips on applying polyurethane here.
Frequently Asked Questions (FAQ)
Q: What is the main difference between 1K and 2K PU?
A: 1K (Single Pack) is easier to use and has a longer shelf life after opening. 2K (Two Pack, like Asian Paints WoodTech PU) achieves greater final hardness and better chemical resistance for professional-grade, high-stress applications.
Q: Can I apply this over old varnish?
A: You must sand and clean the old finish thoroughly. For the best adhesion and durability of Indigo Sleek Interior Single Pack PU (1K), it is always recommended to sand down to the bare wood.
Q: How long does it take to cure?
A: While it’s touch dry in under an hour, the coating reaches maximum chemical resistance and scratch hardness after a full 7-day cure period.





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